/Engine/Source/Editor/UnrealEd/Public/EditorScriptingHelpers.h
Check if the Path is a valid ContentBrowser Path
namespace EditorScriptingHelpers { bool EditorScriptingHelpers::IsAValidPath ( const [FString](API\Runtime\Core\Containers\FString) & Path, const TCHAR * InvalidChar, [FString](API\Runtime\Core\Containers\FString) & OutFailureReason ) }